diff --git a/tests/app/delivery/test_send_to_providers.py b/tests/app/delivery/test_send_to_providers.py
index 8047e47e8..1c8b9a111 100644
--- a/tests/app/delivery/test_send_to_providers.py
+++ b/tests/app/delivery/test_send_to_providers.py
@@ -117,6 +117,7 @@ def test_should_send_personalised_template_to_correct_email_provider_and_persist
     sample_email_template_with_html, mocker
 ):
 
+    mock_redis = mocker.patch("app.delivery.send_to_providers.redis_store")
     utf8_encoded_email = "jo.smith@example.com".encode("utf-8")
     mock_redis.get.return_value = utf8_encoded_email
     email = utf8_encoded_email